干湿交替条件下土壤氮素转化及其影响研究进展

被引:109
作者
张威 [1 ]
张旭东 [1 ,2 ]
何红波 [1 ]
解宏图 [1 ]
白震 [1 ]
机构
[1] 中国科学院沈阳应用生态研究所陆地生态过程重点实验室
[2] 辽宁沈阳农田生态系统国家野外观测研究站
关键词
干湿交替; 氮素; 转化; 物理性质; 微生物特性;
D O I
10.13292/j.1000-4890.2010.0111
中图分类号
S158 [土壤肥力(土壤肥沃性)];
学科分类号
090301 [土壤学];
摘要
对干湿交替条件下土壤氮素的矿化、损失以及对土壤团聚体结构和土壤胀缩性、土壤微生物活性和群落等的影响进行了综合评述。研究表明,干湿交替能够对土壤氮素的矿化和损失产生影响,并且干湿交替条件下土壤中氮素的转化与土壤团聚体结构、土壤胀缩性以及土壤微生物活性和群落密切相关。此外,针对目前研究中的不足,提出了今后的研究方向,认为开展干湿交替条件下土壤氮素转化与物理性质和微生物的关系,尤其是肥料氮素的微生物转化过程,为进一步开展干湿交替条件下氮素在土壤中的转化过程,明确自然条件下土壤氮素转化机制的相关研究提供参考。
引用
收藏
页码:783 / 789
页数:7
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